drivers/gp2x/gp2x.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "../../driver.h"
   6 #include "../common/config.h"
   7 #include "../common/args.h"
   8 #include "gp2x.h"
   9 #include "gp2x-video.h"
  10 #ifdef NETWORK
  11 #include "unix-netplay.h"
  12 #endif
  13
  14 #include "minimal.h"
  15 #include "cpuctrl.h"
  16 #include "squidgehack.h"
  17
  18 int GP2X_PORT_REV =
  19 #include "rev.h"
  20 ;
  21
  22 extern uint8 PAL;
  23
  24 int CLImain(int argc, char *argv[]);
  25
  26 DSETTINGS Settings;
  27 CFGSTRUCT DriverConfig[]={
  28         ACA(Settings.KeyBinds),
  29         ACA(Settings.JoyBinds),
  30         AC(Settings.turbo_rate_add),
  31         AC(Settings.sound_rate),
  32         AC(Settings.showfps),
  33         AC(Settings.scaling),
  34         AC(Settings.frameskip),
  35         AC(Settings.sstate_confirm),
  36         AC(Settings.region_force),
  37         AC(Settings.cpuclock),
  38         AC(Settings.mmuhack),
  39         AC(Settings.ramtimings),
  40         AC(Settings.gamma),
  41         // TODO
  42         ENDCFGSTRUCT
  43 };
  44
  45
  46 char *DriverUsage=
  47 "-joyx   y       Use joystick y as virtual joystick x.\n\
  48 -sound x        Sound.\n\
  49                  0 = Disabled.\n\
  50                  Otherwise, x = playback rate.\n\
  51 -showfps x      Display fps counter if x is nonzero\n\
  52 -mmuhack x      Enable squidge's MMU hack if x is nonzero (GP2X).\n\
  53 -ramtimings x   Enable RAM overclocking if x is nonzero (GP2X).\n\
  54 "
  55 #ifdef NETWORK
  56 "-connect s      Connect to server 's' for TCP/IP network play.\n\
  57 -server         Be a host/server for TCP/IP network play.\n\
  58 -netport x      Use TCP/IP port x for network play."
  59 #endif
  60 ;
  61
  62 #ifdef NETWORK
  63 static int docheckie[2]={0,0};
  64 #endif
  65 ARGPSTRUCT DriverArgs[]={
  66          {"-sound",0,&Settings.sound_rate,0},
  67          {"-showfps",0,&Settings.showfps,0},
  68          {"-mmuhack",0,&Settings.mmuhack,0},
  69          {"-ramtimings",0,&Settings.ramtimings,0},
  70          {"-menu",0,&ext_menu,0x4001},
  71          {"-menustate",0,&ext_state,0x4001},
  72          #ifdef NETWORK
  73          {"-connect",&docheckie[0],&netplayhost,0x4001},
  74          {"-server",&docheckie[1],0,0},
  75          {"-netport",0,&Port,0},
  76          #endif
  77          {0,0,0,0}
  78 };
  79
  80
  81
  82 void GetBaseDirectory(char *BaseDirectory)
  83 {
  84  strcpy(BaseDirectory, "fceultra");
  85 }
  86
  87 static void SetDefaults(void)
  88 {
  89  memset(&Settings,0,sizeof(Settings));
  90  Settings.cpuclock = 150;
  91  Settings.frameskip = -1; // auto
  92  Settings.mmuhack = 1;
  93  Settings.sound_rate = 22050;
  94  Settings.turbo_rate_add = (8*2 << 24) / 60 + 1; // 8Hz turbofire
  95  Settings.gamma = 100;
  96  Settings.sstate_confirm = 1;
  97  // default controls, RLDU SEBA
  98  Settings.KeyBinds[ 0] = 0x010; // GP2X_UP
  99  Settings.KeyBinds[ 4] = 0x020; // GP2X_DOWN
 100  Settings.KeyBinds[ 2] = 0x040; // GP2X_LEFT
 101  Settings.KeyBinds[ 6] = 0x080; // GP2X_RIGHT
 102  Settings.KeyBinds[13] = 0x001; // GP2X_B
 103  Settings.KeyBinds[14] = 0x002; // GP2X_X
 104  Settings.KeyBinds[12] = 0x100; // GP2X_A
 105  Settings.KeyBinds[15] = 0x200; // GP2X_Y
 106  Settings.KeyBinds[ 8] = 0x008; // GP2X_START
 107  Settings.KeyBinds[ 9] = 0x004; // GP2X_SELECT
 108  Settings.KeyBinds[10] = 0x80000000; // GP2X_L
 109  Settings.KeyBinds[11] = 0x40000000; // GP2X_R
 110  Settings.KeyBinds[27] = 0xc0000000; // GP2X_PUSH
 111 }
 112
 113 void DoDriverArgs(void)
 114 {
 115         #ifdef NETWORK
 116         if(docheckie[0])
 117          netplay=2;
 118         else if(docheckie[1])
 119          netplay=1;
 120
 121         if(netplay)
 122          FCEUI_SetNetworkPlay(netplay);
 123         #endif
 124 }
 125
 126
 127 char **g_argv;
 128 int mmuhack_status = 0;
 129
 130
 131 // TODO: cleanup
 132 int main(int argc, char *argv[])
 133 {
 134         int ret;
 135         g_argv = argv;
 136
 137         printf("Starting GPFCE - Port version " GP2X_PORT_VERSION " r%i (" __DATE__ ")\n", GP2X_PORT_REV);
 138         puts("Based on FCE Ultra "VERSION_STRING" and 0.98.1x versions");
 139         puts("Original port by Zheng Zhu");
 140         puts("Menu/optimization/misc work by notaz\n");
 141
 142         gp2x_init();
 143         cpuctrl_init();
 144
 145         SetDefaults();
 146
 147         ret = CLImain(argc,argv);
 148
 149         // unscale the screen, in case it is bad.
 150         gp2x_video_RGB_setscaling(320, 240);
 151
 152         if (mmuhack_status > 0)
 153                 mmuunhack();
 154
 155         set_gamma(100);
 156         cpuctrl_deinit();
 157         gp2x_deinit();
 158
 159         return(ret?0:-1);
 160 }
 161
 162
 163 /* optional GP2X stuff to be done after config is loaded */
 164 void gp2x_opt_setup(void)
 165 {
 166         if (Settings.mmuhack) {
 167                 int ret = mmuhack();
 168                 printf("squidge hack code finished and returned %s\n", ret > 0 ? "ok" : "fail");
 169                 fflush(stdout);
 170                 mmuhack_status = ret;
 171         }
 172         if (Settings.ramtimings) {
 173                 printf("setting RAM timings.. "); fflush(stdout);
 174                 // craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2
 175                 set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);
 176                 printf("done.\n"); fflush(stdout);
 177         }
 178 }
 179
 180 void gp2x_opt_update(void)
 181 {
 182         static int prev_cpuclock = 200, prev_gamma = 100, prev_vsync = 0, prev_pal = 0;
 183         if (Settings.cpuclock != 0 && Settings.cpuclock != prev_cpuclock)
 184         {
 185                 set_FCLK(Settings.cpuclock);
 186                 prev_cpuclock = Settings.cpuclock;
 187         }
 188
 189         if (Settings.gamma != 0 && Settings.gamma != prev_gamma)
 190         {
 191                 set_gamma(Settings.gamma);
 192                 prev_gamma = Settings.gamma;
 193         }
 194
 195         if (Settings.perfect_vsync != prev_vsync || (Settings.perfect_vsync && prev_pal != PAL))
 196         {
 197                 if (Settings.perfect_vsync)
 198                 {
 199                         set_LCD_custom_rate(PAL ? LCDR_100_02 : LCDR_120_20);
 200                         prev_pal = PAL;
 201                 }
 202                 else
 203                 {
 204                         unset_LCD_custom_rate();
 205                 }
 206                 prev_vsync = Settings.perfect_vsync;
 207         }
 208 }
 209
 210